(19)

(11)

EP 2 024 839 A2

(12)

(88) Date of publication A3: 10.04.2008 (43) Date of publication: 18.02.2009 Bulletin 2009/08 (21) Application number: 07783548.6 (22) Date of filing: 09.05.2007

(51) International Patent Classification (IPC):  G06F 12/02(2006.01) (86) International application number: PCT/US2007/068605 (87) International publication number: WO 2007/134133 (22.11.2007 Gazette 2007/47)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 15.05.2006 US 383384 15.05.2006 US 383397 (71) Applicant: Sandisk Corporation Milpitas, CA 95035 (US)	(72) Inventors: GOROBETS, Sergey Anatolievich Edinburgh Midlothian EH9 3ES (GB) CONLEY, Kevin M. San Jose, California 95120 (US) (74) Representative: Hitchcock, Esmond Antony  Marks & Clerk 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)